Finding the Fourth Proportional to 3,686,221,957.24, 5,086,986,732.30 and 2,015,472,230.20
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Solution
The fourth proportional to 3,686,221,957.24, 5,086,986,732.30 and 2,015,472,230.20 is: 2,781,351,913.50
Step by Step Solution
- Step 1: Write the proportion equation
3,686,221,957.24 : 5,086,986,732.30 = 2,015,472,230.20 : x - Step 2: Convert to fraction form
3,686,221,957.24/5,086,986,732.30 = 2,015,472,230.20/x - Step 3: Cross multiply
3,686,221,957.24x = 5,086,986,732.30 × 2,015,472,230.20 - Step 4: Simplify right side
3,686,221,957.24x = 10,252,680,494,346,491,904 - Step 5: Solve for x
x = 10,252,680,494,346,491,904/3,686,221,957.24 - Step 6: Final answer
x = 2,781,351,913.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.